Lee and Cirko theorize that the unidentified species are heating up the Earth and causing global warming. Nimrod is struck by lightning.

Adam Heffernan, Ben Jones, Billy White, Carver Johns, David Sherrell, Denise Bass Dayahtry, Emily Labelle, Eric Paisley, Fred Maske, Jennifer Badger, Kate Leahey, Lucinda Carmicheal, Max Darby, Monica Williamson, Rob Trevelier, Thomas Elliott, Vict